<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryRef"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="文章标题" prop="articleTitle">
        <el-input
          v-model="queryParams.articleTitle"
          placeholder="请输入文章标题"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="作者" prop="articleAuthor">
        <el-input
          v-model="queryParams.articleAuthor"
          placeholder="请输入作者"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="Plus"
          @click="handleAdd"
          v-hasPermi="['manage:article:add']"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="Delete"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['manage:article:remove']"
          >删除</el-button
        >
      </el-col>
      <right-toolbar
        v-model:showSearch="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="articleList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column
        label="序号"
        type="index"
        width="50"
        align="center"
        prop="articleId"
      />
      <el-table-column label="文章标题" align="center" prop="articleTitle" />
      <el-table-column
        label="文章封面"
        align="center"
        prop="articleCover"
        width="100"
      >
        <template #default="scope">
          <image-preview
            :src="scope.row.articleCover"
            :width="50"
            :height="50"
          />
        </template>
      </el-table-column>
      <el-table-column label="文章正文" align="center" prop="articleBody">
        <template #default="scope">
          <el-button link type="primary" @click="showArticleDetail(scope.row)"
            >查看文章</el-button
          >
        </template>
      </el-table-column>
      <el-table-column label="作者" align="center" prop="articleAuthor" />
      <el-table-column
        label="发布时间"
        align="center"
        prop="createTime"
        width="180"
      >
        <template #default="scope">
          <span>{{
            parseTime(scope.row.createTime, "{y}-{m}-{d} {h}:{m}:{s}")
          }}</span>
        </template>
      </el-table-column>
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template #default="scope">
          <el-button
            link
            type="primary"
            icon="Edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['manage:article:edit']"
            >修改</el-button
          >
          <el-button
            link
            type="danger"
            icon="Delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['manage:article:remove']"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改文章对话框 -->
    <el-drawer
      :title="title"
      direction="rtl"
      v-model="open"
      size="50%"
      append-to-body
    >
      <el-form ref="articleRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="文章标题" prop="articleTitle">
          <el-input v-model="form.articleTitle" placeholder="请输入文章标题" />
        </el-form-item>
        <el-form-item label="文章封面" prop="articleCover">
          <image-upload v-model="form.articleCover" :limit="1" />
        </el-form-item>
        <el-form-item label="作者" prop="articleAuthor">
          <el-input v-model="form.articleAuthor" placeholder="请输入作者" />
        </el-form-item>
        <el-form-item label="文章正文" prop="articleBody">
          <editor
            v-model="form.articleBody"
            :min-height="192"
            :height="350"
            :showToolbar="false"
          />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-drawer>
    <el-drawer
      title="文章详情"
      v-model="detailDrawer"
      size="50%"
      direction="rtl"
      append-to-body
    >
      <div style="padding: 20px">
        <h1 style="text-align: center; margin-bottom: 20px">
          {{ currentArticle.articleTitle }}
        </h1>
        <div style="text-align: center; color: #888; margin-bottom: 30px">
          作者：{{ currentArticle.articleAuthor }} | 发布时间：{{
            parseTime(currentArticle.createTime, "{y}-{m}-{d} {h}:{m}:{s}")
          }}
        </div>
        <div
          style="line-height: 1.8; font-size: 16px"
          v-html="currentArticle.articleBody"
        ></div>
      </div>
    </el-drawer>
  </div>
</template>

<script setup name="Article">
import { listArticle, getArticle, delArticle, addArticle, updateArticle } from "@/api/manage/article"

const { proxy } = getCurrentInstance()

const articleList = ref([])
const open = ref(false)
const loading = ref(true)
const showSearch = ref(true)
const ids = ref([])
const single = ref(true)
const multiple = ref(true)
const total = ref(0)
const title = ref("")

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    articleTitle: null,
    articleBody: null,
    articleAuthor: null,
    status: null
  },
  rules: {
    articleTitle: [
      { required: true, message: "文章标题不能为空", trigger: "blur" }
    ],
    articleCover: [
      { required: true, message: "文章封面不能为空", trigger: "blur" }
    ],
    articleAuthor: [
      { required: true, message: "作者不能为空", trigger: "blur" }
    ],
    articleBody: [
      {
        validator: (rule, value, callback) => {
          // 去除HTML标签后检查是否为空
          const text = value.replace(/<[^>]+>/g, '').trim()
          if (!text) {
            callback(new Error("文章内容不能为空"))
          } else {
            callback()
          }
        },
        trigger: "blur"
      }
    ]
  }
})

const { queryParams, form, rules } = toRefs(data)
/** 查询文章列表 */
function getList () {
  loading.value = true
  queryParams.value.status = 'my'
  listArticle(queryParams.value).then(response => {
    articleList.value = response.rows
    total.value = response.total
    loading.value = false
  })
}

// 取消按钮
function cancel () {
  open.value = false
  reset()
}

// 表单重置
function reset () {
  form.value = {
    articleId: null,
    articleTitle: null,
    articleAuthor: null,
    userId: null,
    createTime: null,
    articleCover: null,
    articleBody: ''
  }
  proxy.resetForm("articleRef")
}

/** 搜索按钮操作 */
function handleQuery () {
  queryParams.value.pageNum = 1
  getList()
}

/** 重置按钮操作 */
function resetQuery () {
  proxy.resetForm("queryRef")
  handleQuery()
}

// 多选框选中数据
function handleSelectionChange (selection) {
  ids.value = selection.map(item => item.articleId)
  single.value = selection.length != 1
  multiple.value = !selection.length
}

/** 新增按钮操作 */
function handleAdd () {
  reset()
  open.value = true
  title.value = "添加文章"
}

/** 修改按钮操作 */
function handleUpdate (row) {
  reset()
  const _articleId = row.articleId || ids.value
  getArticle(_articleId).then(response => {
    form.value = response.data
    open.value = true
    title.value = "修改文章"
  })
}

/** 提交按钮 */
function submitForm () {
  // 手动校验富文本框内容
  const text = form.value.articleBody.replace(/<[^>]+>/g, '').trim()
  if (!text) {
    proxy.$modal.msgError("文章内容不能为空")
    return
  }

  proxy.$refs["articleRef"].validate(valid => {
    if (valid) {
      if (form.value.articleId != null) {
        updateArticle(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功")
          open.value = false
          getList()
        })
      } else {
        addArticle(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功")
          open.value = false
          getList()
        })
      }
    }
  })
}

/** 删除按钮操作 */
function handleDelete (row) {
  const _articleIds = row.articleId || ids.value
  proxy.$modal.confirm('是否确认删除文章编号为"' + _articleIds + '"的数据项？').then(function () {
    return delArticle(_articleIds)
  }).then(() => {
    getList()
    proxy.$modal.msgSuccess("删除成功")
  }).catch(() => { })
}

/** 导出按钮操作 */
function handleExport () {
  proxy.download('manage/article/export', {
    ...queryParams.value
  }, `article_${new Date().getTime()}.xlsx`)
}

// 在script部分添加以下代码
const detailDrawer = ref(false)
const currentArticle = ref({})

function showArticleDetail (row) {
  currentArticle.value = row
  detailDrawer.value = true
}

getList();
</script>
